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organic pigment violet 23,RL
CAS:6358-30-1 (P.V 23)
. organic pigment violet 23,CAS:6358-30-1(P.V 23)
Application: widely used in offset ink, solvent ink, water-based ink, EVA foam,
color masterbatch, color paste printing, plastic, paint, paint, cultural and educational supplies,
rubber and other industries coloring.
Factory information:
Enterprise covers an area of 28000 square meters, 13000 square meters of production space, modern office and living space 6000 square meters. More than 200 employees, 30 engineering and technical personnel. At present there are two production lines for Pigment Violet RL, annual output of 600 tons.
Pigment Violet 23 ( 6358-30-1 ) and preparation method:
From 3 - amino - 9 - ethyl carbazole, adjacent two chlorobenzene, water, sodium acetate, benzyl triethyl ammonium chloride and four chloranil mixtures at 40 to 60 DEG C heating 1h. And then up to 150 to 160 DEG C, steamed out of reactants in the water. Then the benzene sulfonyl chloride processing and heated to 165 to 170 DEG C, the temperature is maintained for the 6h, the yield of product reached 84%.
The upstream and downstream product information:
The upstream raw materials: hydrochloric acid, nitric acid, anhydrous calcium chloride and ethyl bromide, sodium acetate, adjacent two chlorobenzene and benzene sulfonyl chloride, carbazole - 3 - amino - 9 - ethyl carbazole four chloranil and benzyl trimethyl ammonium chloride.